ERGSTE® 1.4523 IA / IM / IH

Stainless ferritic free-cutting steel - Stock standard


 

Product standard:
ASTM A581 / A581M

Material standard:
DIN (W.Nr.) 1.4523
UNS S1823

Description:
Ergste® 1.4523 IA/IM/IH by Zapp is a ferritic stainless free-cutting steel. It is characterized by very good machinability and outstanding corrosion resistance. 
The ERGSTE® 1.4523 IM variant additionally has very good soft magnetic properties.

Typical analysis (%): 

Element: ERGSTE® 1.4523 IA / IM / IH
C max. 0,03
Si max. 0,5
Mn max. 0,5
P max. 0,04
S ~0,25
Cr ~18,00
Mo ~2,30
Ti ~0,7
Fe Residual

Mechanical Properties:
Tensile strength, Rm: 430 - 630 MPa. (annealed IA/IM)
Tensile strength, Rm: 650 - 850 MPa (strain hardened IH) 

Condition:
Drawn, annealed, ground, (polished).
IM: Special finish for solenoid valves.

Technical properties:
Staightness: ≤ 0,5 mm / 1000 mm
Surface roughness: Rmax ≤ 5µm / Rz ≤ 3µm / Ra ≤ 0,5µm

Magnetic properties of round bars 1.4523 IM:
Coercivity Hc: ≤ 240 A/m 
Maximum permeability μmax: ≥ 1,500 
Magnetic polarization Js: ≥ 1.40 T 
Residual magnetism Br: 0.7 – 1.3 T 
Specific electrical resistance ρ: ≥ 0.60 μΩm 

Delivery form:
Lengths of 3000 mm (±50 mm)

Tolerances:
According to DIN EN 10278 – ISO h07

Diameter:
ISO h08 [mm]
ISO h07 [mm]
>1 to 3
+0/-0,014
+0/-0,010
>3 to 6
+0/-0,018
+0/-0,012
>6 to 10
+0/-0,022
+0/-0,015
>10 to 18
+0/-0,027
+0/-0,018


Stock dimensions:
 

Dia. [mm] Tol. Rm [MPa] Ends
4,00 h7 430-630 Chamfered / pointed
5,00 h7 430-630 Chamfered / pointed
8,00 h7 430-630 Chamfered / pointed
8,00 h7 430-630 Chamfered / pointed
10,00 h7/h8 430-630 Chamfered / pointed
12,00 h7/h8 430-630 Chamfered / pointed
13,00 h7/h8 430-630 Chamfered
14,00 h7/h8 430-630 Chamfered
15,00 h7/h8 430-630 Chamfered
16,00 h7/h8 430-630 Chamfered

Other dimensions are offered on request.

Typical applications:
For example 1.4523 IM is used for solenoid valves due to its soft magnetic properties, machinability and corrosion resistance. 

Tests and documentation:
Certificate according to EN 10204/3.1.
Surface crack tested according to DIN EN 10277: Surface quality class 3 or 4.
  

 

ERGSTE® is a Zapp® brand name.
Zapp® is a registered trademark of Zapp AG.
Zapp holds the following certificates and approvals: ISO 9001, ISO TS 16949 for automotive applications, AS 9100 for aeronautical applications, Pressurized Container Directives 97/23/EC and AD2000-W0.

Zapp-group representatives in Scandinavia: B.B.S. i Halmstad AB.
Subject to typing errors.